diff options
author | Tomi Valkeinen <tomi.valkeinen@ti.com> | 2014-02-13 15:31:38 +0200 |
---|---|---|
committer | Tomi Valkeinen <tomi.valkeinen@ti.com> | 2014-04-17 08:10:19 +0300 |
commit | f7018c21350204c4cf628462f229d44d03545254 (patch) | |
tree | 408787177164cf51cc06f7aabdb04fcff8d2b6aa /drivers/video/via/dvi.c | |
parent | c26ef3eb3c11274bad1b64498d0a134f85755250 (diff) | |
download | blackbird-op-linux-f7018c21350204c4cf628462f229d44d03545254.tar.gz blackbird-op-linux-f7018c21350204c4cf628462f229d44d03545254.zip |
video: move fbdev to drivers/video/fbdev
The drivers/video directory is a mess. It contains generic video related
files, directories for backlight, console, linux logo, lots of fbdev
device drivers, fbdev framework files.
Make some order into the chaos by creating drivers/video/fbdev
directory, and move all fbdev related files there.
No functionality is changed, although I guess it is possible that some
subtle Makefile build order related issue could be created by this
patch.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Geert Uytterhoeven <geert@linux-m68k.org>
Acked-by: Rob Clark <robdclark@gmail.com>
Acked-by: Jingoo Han <jg1.han@samsung.com>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'drivers/video/via/dvi.c')
-rw-r--r-- | drivers/video/via/dvi.c | 478 |
1 files changed, 0 insertions, 478 deletions
diff --git a/drivers/video/via/dvi.c b/drivers/video/via/dvi.c deleted file mode 100644 index 7789553952d3..000000000000 --- a/drivers/video/via/dvi.c +++ /dev/null @@ -1,478 +0,0 @@ -/* - * Copyright 1998-2008 VIA Technologies, Inc. All Rights Reserved. - * Copyright 2001-2008 S3 Graphics, Inc. All Rights Reserved. - - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public - * License as published by the Free Software Foundation; - * either version 2, or (at your option) any later version. - - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTIES OR REPRESENTATIONS; without even - * the implied warranty of MERCHANTABILITY or FITNESS FOR - * A PARTICULAR PURPOSE.See the GNU General Public License - * for more details. - - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., - * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. - */ -#include <linux/via-core.h> -#include <linux/via_i2c.h> -#include "global.h" - -static void tmds_register_write(int index, u8 data); -static int tmds_register_read(int index); -static int tmds_register_read_bytes(int index, u8 *buff, int buff_len); -static void dvi_get_panel_size_from_DDCv1( - struct tmds_chip_information *tmds_chip, - struct tmds_setting_information *tmds_setting); -static int viafb_dvi_query_EDID(void); - -static inline bool check_tmds_chip(int device_id_subaddr, int device_id) -{ - return tmds_register_read(device_id_subaddr) == device_id; -} - -void viafb_init_dvi_size(struct tmds_chip_information *tmds_chip, - struct tmds_setting_information *tmds_setting) -{ - DEBUG_MSG(KERN_INFO "viafb_init_dvi_size()\n"); - - viafb_dvi_sense(); - if (viafb_dvi_query_EDID() == 1) - dvi_get_panel_size_from_DDCv1(tmds_chip, tmds_setting); - - return; -} - -bool viafb_tmds_trasmitter_identify(void) -{ - unsigned char sr2a = 0, sr1e = 0, sr3e = 0; - - /* Turn on ouputting pad */ - switch (viaparinfo->chip_info->gfx_chip_name) { - case UNICHROME_K8M890: - /*=* DFP Low Pad on *=*/ - sr2a = viafb_read_reg(VIASR, SR2A); - viafb_write_reg_mask(SR2A, VIASR, 0x03, BIT0 + BIT1); - break; - - case UNICHROME_P4M900: - case UNICHROME_P4M890: - /* DFP Low Pad on */ - sr2a = viafb_read_reg(VIASR, SR2A); - viafb_write_reg_mask(SR2A, VIASR, 0x03, BIT0 + BIT1); - /* DVP0 Pad on */ - sr1e = viafb_read_reg(VIASR, SR1E); - viafb_write_reg_mask(SR1E, VIASR, 0xC0, BIT6 + BIT7); - break; - - default: - /* DVP0/DVP1 Pad on */ - sr1e = viafb_read_reg(VIASR, SR1E); - viafb_write_reg_mask(SR1E, VIASR, 0xF0, BIT4 + - BIT5 + BIT6 + BIT7); - /* SR3E[1]Multi-function selection: - 0 = Emulate I2C and DDC bus by GPIO2/3/4. */ - sr3e = viafb_read_reg(VIASR, SR3E); - viafb_write_reg_mask(SR3E, VIASR, 0x0, BIT5); - break; - } - - /* Check for VT1632: */ - viaparinfo->chip_info->tmds_chip_info.tmds_chip_name = VT1632_TMDS; - viaparinfo->chip_info-> - tmds_chip_info.tmds_chip_slave_addr = VT1632_TMDS_I2C_ADDR; - viaparinfo->chip_info->tmds_chip_info.i2c_port = VIA_PORT_31; - if (check_tmds_chip(VT1632_DEVICE_ID_REG, VT1632_DEVICE_ID)) { - /* - * Currently only support 12bits,dual edge,add 24bits mode later - */ - tmds_register_write(0x08, 0x3b); - - DEBUG_MSG(KERN_INFO "\n VT1632 TMDS ! \n"); - DEBUG_MSG(KERN_INFO "\n %2d", - viaparinfo->chip_info->tmds_chip_info.tmds_chip_name); - DEBUG_MSG(KERN_INFO "\n %2d", - viaparinfo->chip_info->tmds_chip_info.i2c_port); - return true; - } else { - viaparinfo->chip_info->tmds_chip_info.i2c_port = VIA_PORT_2C; - if (check_tmds_chip(VT1632_DEVICE_ID_REG, VT1632_DEVICE_ID)) { - tmds_register_write(0x08, 0x3b); - DEBUG_MSG(KERN_INFO "\n VT1632 TMDS ! \n"); - DEBUG_MSG(KERN_INFO "\n %2d", - viaparinfo->chip_info-> - tmds_chip_info.tmds_chip_name); - DEBUG_MSG(KERN_INFO "\n %2d", - viaparinfo->chip_info-> - tmds_chip_info.i2c_port); - return true; - } - } - - viaparinfo->chip_info->tmds_chip_info.tmds_chip_name = INTEGRATED_TMDS; - - if ((viaparinfo->chip_info->gfx_chip_name == UNICHROME_CX700) && - ((viafb_display_hardware_layout == HW_LAYOUT_DVI_ONLY) || - (viafb_display_hardware_layout == HW_LAYOUT_LCD_DVI))) { - DEBUG_MSG(KERN_INFO "\n Integrated TMDS ! \n"); - return true; - } - - switch (viaparinfo->chip_info->gfx_chip_name) { - case UNICHROME_K8M890: - viafb_write_reg(SR2A, VIASR, sr2a); - break; - - case UNICHROME_P4M900: - case UNICHROME_P4M890: - viafb_write_reg(SR2A, VIASR, sr2a); - viafb_write_reg(SR1E, VIASR, sr1e); - break; - - default: - viafb_write_reg(SR1E, VIASR, sr1e); - viafb_write_reg(SR3E, VIASR, sr3e); - break; - } - - viaparinfo->chip_info-> - tmds_chip_info.tmds_chip_name = NON_TMDS_TRANSMITTER; - viaparinfo->chip_info->tmds_chip_info. - tmds_chip_slave_addr = VT1632_TMDS_I2C_ADDR; - return false; -} - -static void tmds_register_write(int index, u8 data) -{ - viafb_i2c_writebyte(viaparinfo->chip_info->tmds_chip_info.i2c_port, - viaparinfo->chip_info->tmds_chip_info.tmds_chip_slave_addr, - index, data); -} - -static int tmds_register_read(int index) -{ - u8 data; - - viafb_i2c_readbyte(viaparinfo->chip_info->tmds_chip_info.i2c_port, - (u8) viaparinfo->chip_info->tmds_chip_info.tmds_chip_slave_addr, - (u8) index, &data); - return data; -} - -static int tmds_register_read_bytes(int index, u8 *buff, int buff_len) -{ - viafb_i2c_readbytes(viaparinfo->chip_info->tmds_chip_info.i2c_port, - (u8) viaparinfo->chip_info->tmds_chip_info.tmds_chip_slave_addr, - (u8) index, buff, buff_len); - return 0; -} - -/* DVI Set Mode */ -void viafb_dvi_set_mode(const struct fb_var_screeninfo *var, - u16 cxres, u16 cyres, int iga) -{ - struct fb_var_screeninfo dvi_var = *var; - const struct fb_videomode *rb_mode; - int maxPixelClock; - - maxPixelClock = viaparinfo->shared->tmds_setting_info.max_pixel_clock; - if (maxPixelClock && PICOS2KHZ(var->pixclock) / 1000 > maxPixelClock) { - rb_mode = viafb_get_best_rb_mode(var->xres, var->yres, 60); - if (rb_mode) - viafb_fill_var_timing_info(&dvi_var, rb_mode); - } - - viafb_fill_crtc_timing(&dvi_var, cxres, cyres, iga); -} - -/* Sense DVI Connector */ -int viafb_dvi_sense(void) -{ - u8 RegSR1E = 0, RegSR3E = 0, RegCR6B = 0, RegCR91 = 0, - RegCR93 = 0, RegCR9B = 0, data; - int ret = false; - - DEBUG_MSG(KERN_INFO "viafb_dvi_sense!!\n"); - - if (viaparinfo->chip_info->gfx_chip_name == UNICHROME_CLE266) { - /* DI1 Pad on */ - RegSR1E = viafb_read_reg(VIASR, SR1E); - viafb_write_reg(SR1E, VIASR, RegSR1E | 0x30); - - /* CR6B[0]VCK Input Selection: 1 = External clock. */ - RegCR6B = viafb_read_reg(VIACR, CR6B); - viafb_write_reg(CR6B, VIACR, RegCR6B | 0x08); - - /* CR91[4] VDD On [3] Data On [2] VEE On [1] Back Light Off - [0] Software Control Power Sequence */ - RegCR91 = viafb_read_reg(VIACR, CR91); - viafb_write_reg(CR91, VIACR, 0x1D); - - /* CR93[7] DI1 Data Source Selection: 1 = DSP2. - CR93[5] DI1 Clock Source: 1 = internal. - CR93[4] DI1 Clock Polarity. - CR93[3:1] DI1 Clock Adjust. CR93[0] DI1 enable */ - RegCR93 = viafb_read_reg(VIACR, CR93); - viafb_write_reg(CR93, VIACR, 0x01); - } else { - /* DVP0/DVP1 Pad on */ - RegSR1E = viafb_read_reg(VIASR, SR1E); - viafb_write_reg(SR1E, VIASR, RegSR1E | 0xF0); - - /* SR3E[1]Multi-function selection: - 0 = Emulate I2C and DDC bus by GPIO2/3/4. */ - RegSR3E = viafb_read_reg(VIASR, SR3E); - viafb_write_reg(SR3E, VIASR, RegSR3E & (~0x20)); - - /* CR91[4] VDD On [3] Data On [2] VEE On [1] Back Light Off - [0] Software Control Power Sequence */ - RegCR91 = viafb_read_reg(VIACR, CR91); - viafb_write_reg(CR91, VIACR, 0x1D); - - /*CR9B[4] DVP1 Data Source Selection: 1 = From secondary - display.CR9B[2:0] DVP1 Clock Adjust */ - RegCR9B = viafb_read_reg(VIACR, CR9B); - viafb_write_reg(CR9B, VIACR, 0x01); - } - - data = (u8) tmds_register_read(0x09); - if (data & 0x04) - ret = true; - - if (ret == false) { - if (viafb_dvi_query_EDID()) - ret = true; - } - - /* Restore status */ - viafb_write_reg(SR1E, VIASR, RegSR1E); - viafb_write_reg(CR91, VIACR, RegCR91); - if (viaparinfo->chip_info->gfx_chip_name == UNICHROME_CLE266) { - viafb_write_reg(CR6B, VIACR, RegCR6B); - viafb_write_reg(CR93, VIACR, RegCR93); - } else { - viafb_write_reg(SR3E, VIASR, RegSR3E); - viafb_write_reg(CR9B, VIACR, RegCR9B); - } - - return ret; -} - -/* Query Flat Panel's EDID Table Version Through DVI Connector */ -static int viafb_dvi_query_EDID(void) -{ - u8 data0, data1; - int restore; - - DEBUG_MSG(KERN_INFO "viafb_dvi_query_EDID!!\n"); - - restore = viaparinfo->chip_info->tmds_chip_info.tmds_chip_slave_addr; - viaparinfo->chip_info->tmds_chip_info.tmds_chip_slave_addr = 0xA0; - - data0 = (u8) tmds_register_read(0x00); - data1 = (u8) tmds_register_read(0x01); - if ((data0 == 0) && (data1 == 0xFF)) { - viaparinfo->chip_info-> - tmds_chip_info.tmds_chip_slave_addr = restore; - return EDID_VERSION_1; /* Found EDID1 Table */ - } - - return false; -} - -/* Get Panel Size Using EDID1 Table */ -static void dvi_get_panel_size_from_DDCv1( - struct tmds_chip_information *tmds_chip, - struct tmds_setting_information *tmds_setting) -{ - int i, restore; - unsigned char EDID_DATA[18]; - - DEBUG_MSG(KERN_INFO "\n dvi_get_panel_size_from_DDCv1 \n"); - - restore = tmds_chip->tmds_chip_slave_addr; - tmds_chip->tmds_chip_slave_addr = 0xA0; - for (i = 0x25; i < 0x6D; i++) { - switch (i) { - case 0x36: - case 0x48: - case 0x5A: - case 0x6C: - tmds_register_read_bytes(i, EDID_DATA, 10); - if (!(EDID_DATA[0] || EDID_DATA[1])) { - /* The first two byte must be zero. */ - if (EDID_DATA[3] == 0xFD) { - /* To get max pixel clock. */ - tmds_setting->max_pixel_clock = - EDID_DATA[9] * 10; - } - } - break; - - default: - break; - } - } - - DEBUG_MSG(KERN_INFO "DVI max pixelclock = %d\n", - tmds_setting->max_pixel_clock); - tmds_chip->tmds_chip_slave_addr = restore; -} - -/* If Disable DVI, turn off pad */ -void viafb_dvi_disable(void) -{ - if (viaparinfo->chip_info-> - tmds_chip_info.output_interface == INTERFACE_TMDS) - /* Turn off TMDS power. */ - viafb_write_reg(CRD2, VIACR, - viafb_read_reg(VIACR, CRD2) | 0x08); -} - -static void dvi_patch_skew_dvp0(void) -{ - /* Reset data driving first: */ - viafb_write_reg_mask(SR1B, VIASR, 0, BIT1); - viafb_write_reg_mask(SR2A, VIASR, 0, BIT4); - - switch (viaparinfo->chip_info->gfx_chip_name) { - case UNICHROME_P4M890: - { - if ((viaparinfo->tmds_setting_info->h_active == 1600) && - (viaparinfo->tmds_setting_info->v_active == - 1200)) - viafb_write_reg_mask(CR96, VIACR, 0x03, - BIT0 + BIT1 + BIT2); - else - viafb_write_reg_mask(CR96, VIACR, 0x07, - BIT0 + BIT1 + BIT2); - break; - } - - case UNICHROME_P4M900: - { - viafb_write_reg_mask(CR96, VIACR, 0x07, - BIT0 + BIT1 + BIT2 + BIT3); - viafb_write_reg_mask(SR1B, VIASR, 0x02, BIT1); - viafb_write_reg_mask(SR2A, VIASR, 0x10, BIT4); - break; - } - - default: - { - break; - } - } -} - -static void dvi_patch_skew_dvp_low(void) -{ - switch (viaparinfo->chip_info->gfx_chip_name) { - case UNICHROME_K8M890: - { - viafb_write_reg_mask(CR99, VIACR, 0x03, BIT0 + BIT1); - break; - } - - case UNICHROME_P4M900: - { - viafb_write_reg_mask(CR99, VIACR, 0x08, - BIT0 + BIT1 + BIT2 + BIT3); - break; - } - - case UNICHROME_P4M890: - { - viafb_write_reg_mask(CR99, VIACR, 0x0F, - BIT0 + BIT1 + BIT2 + BIT3); - break; - } - - default: - { - break; - } - } -} - -/* If Enable DVI, turn off pad */ -void viafb_dvi_enable(void) -{ - u8 data; - - switch (viaparinfo->chip_info->tmds_chip_info.output_interface) { - case INTERFACE_DVP0: - viafb_write_reg_mask(CR6B, VIACR, 0x01, BIT0); - viafb_write_reg_mask(CR6C, VIACR, 0x21, BIT0 + BIT5); - dvi_patch_skew_dvp0(); - if (viaparinfo->chip_info->gfx_chip_name == UNICHROME_CLE266) - tmds_register_write(0x88, 0x3b); - else - /*clear CR91[5] to direct on display period - in the secondary diplay path */ - via_write_reg_mask(VIACR, 0x91, 0x00, 0x20); - break; - - case INTERFACE_DVP1: - if (viaparinfo->chip_info->gfx_chip_name == UNICHROME_CLE266) - viafb_write_reg_mask(CR93, VIACR, 0x21, BIT0 + BIT5); - - /*fix dvi cann't be enabled with MB VT5718C4 - Al Zhang */ - if (viaparinfo->chip_info->gfx_chip_name == UNICHROME_CLE266) - tmds_register_write(0x88, 0x3b); - else - /*clear CR91[5] to direct on display period - in the secondary diplay path */ - via_write_reg_mask(VIACR, 0x91, 0x00, 0x20); - - /*fix DVI cannot enable on EPIA-M board */ - if (viafb_platform_epia_dvi == 1) { - viafb_write_reg_mask(CR91, VIACR, 0x1f, 0x1f); - viafb_write_reg_mask(CR88, VIACR, 0x00, BIT6 + BIT0); - if (viafb_bus_width == 24) { - if (viafb_device_lcd_dualedge == 1) - data = 0x3F; - else - data = 0x37; - viafb_i2c_writebyte(viaparinfo->chip_info-> - tmds_chip_info.i2c_port, - viaparinfo->chip_info-> - tmds_chip_info.tmds_chip_slave_addr, - 0x08, data); - } - } - break; - - case INTERFACE_DFP_HIGH: - if (viaparinfo->chip_info->gfx_chip_name != UNICHROME_CLE266) - via_write_reg_mask(VIACR, CR97, 0x03, 0x03); - - via_write_reg_mask(VIACR, 0x91, 0x00, 0x20); - break; - - case INTERFACE_DFP_LOW: - if (viaparinfo->chip_info->gfx_chip_name == UNICHROME_CLE266) - break; - - dvi_patch_skew_dvp_low(); - via_write_reg_mask(VIACR, 0x91, 0x00, 0x20); - break; - - case INTERFACE_TMDS: - /* Turn on Display period in the panel path. */ - viafb_write_reg_mask(CR91, VIACR, 0, BIT7); - - /* Turn on TMDS power. */ - viafb_write_reg_mask(CRD2, VIACR, 0, BIT3); - break; - } - - if (viaparinfo->tmds_setting_info->iga_path == IGA2) { - /* Disable LCD Scaling */ - viafb_write_reg_mask(CR79, VIACR, 0x00, BIT0); - } -} |